Hyrox, the fitness craze taking over your feeds, isn't just a CrossFit copy - and it could soon be coming to a gym near you.

Much like Dungeons and Dragons, Renaissance faires, and sex parties, CrossFit is something that everyone has heard of — but few have an accurate understanding of what it entails and who it's for.

While many men slow down with age, 58-year-old Kevin Koester is one of the fittest in the CrossFit Games Masters category – and boasts a level of athleticism that would more than rival athletes half ...